KI-AGENT: Telefonie-Trunk in Firmeneinstellungen verschieben

backend/db/migrations/0045_telephony_trunks.sql

@@ -0,0 +1,50 @@
+CREATE TABLE IF NOT EXISTS "telephony_trunks" (
+    "id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+    "tenant_id" bigint NOT NULL,
+    "provider" text DEFAULT 'telekom' NOT NULL,
+    "enabled" boolean DEFAULT false NOT NULL,
+    "registrar" text DEFAULT 'tel.t-online.de' NOT NULL,
+    "sip_user" text,
+    "auth_user" text,
+    "password" text,
+    "caller_id" text,
+    "inbound_extension" text DEFAULT '1001' NOT NULL,
+    "outbound_prefix" text DEFAULT '0' NOT NULL,
+    "created_at" timestamp with time zone DEFAULT now() NOT NULL,
+    "updated_at" timestamp with time zone,
+    "created_by" uuid,
+    "updated_by" uuid
+);
+
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_constraint WHERE conname = 'telephony_trunks_tenant_id_tenants_id_fk'
+    ) THEN
+        ALTER TABLE "telephony_trunks"
+            ADD CONSTRAINT "telephony_trunks_tenant_id_tenants_id_fk"
+            FOREIGN KEY ("tenant_id") REFERENCES "public"."tenants"("id")
+            ON DELETE cascade ON UPDATE no action;
+    END IF;
+
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_constraint WHERE conname = 'telephony_trunks_created_by_auth_users_id_fk'
+    ) THEN
+        ALTER TABLE "telephony_trunks"
+            ADD CONSTRAINT "telephony_trunks_created_by_auth_users_id_fk"
+            FOREIGN KEY ("created_by") REFERENCES "public"."auth_users"("id")
+            ON DELETE no action ON UPDATE no action;
+    END IF;
+
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_constraint WHERE conname = 'telephony_trunks_updated_by_auth_users_id_fk'
+    ) THEN
+        ALTER TABLE "telephony_trunks"
+            ADD CONSTRAINT "telephony_trunks_updated_by_auth_users_id_fk"
+            FOREIGN KEY ("updated_by") REFERENCES "public"."auth_users"("id")
+            ON DELETE no action ON UPDATE no action;
+    END IF;
+END $$;
+
+CREATE UNIQUE INDEX IF NOT EXISTS "telephony_trunks_tenant_provider_idx"
+    ON "telephony_trunks" USING btree ("tenant_id", "provider");